China Balancing valve-Safety Valve-zwb666

Balancing valve

CASTED IRON Y-PATTERN BALANCING VALVE

ZWB666

Iron Circuit Balancing Valves

ANSI Class 125.Y-Pattern Globe Valve.Non-rising Stem
Design.Bosses Drilled,Tapped and Plugged for Test
Points.Integral Internal Memory Stop

Rated 200 psi to 150°F .

PART	SPECIFICATION
1. Body	Cast Iron BS1452
2.Bonnet	S.G.BS2789 GR500/7 S.G..Iron BS2789 GR500/7
3. Stem	H.T.BS2874 CZ#4 H.T. Brass BS2874 CZ#4
4.Gland	H.T.BS2874 CZ#4 H.T.Brass BS2874 CZ#4
5. Disc	S.S.G.BS2789 EPDM S.Giron BS2789 with EPDM
6.Disc Stem Nut	H.T.BS2789 CZ#4 H.T.Brass BS2874 CZ#4
7. Hand wheel	LM24 Aluminum Im24
8.Circlip	Spring Steel
9.Retaining Ring	Stainless Steel
10. Stuffing Box	H.T.Brass BS2874 CZ#4
11. Nameplate	Anodised Aluminum
12. Eye lifting Bracket	Spring steel
13.Cap Cover	Stainless steel
14.Indicator	PBT(white)
15.Adjustable Strap	PBT(white)
16.Indicator Ring	PBT(black)
17.Indicator Sleeve	PBT(black)
18.Button Head Screw	Alloy Steel
19.gland Packing	"Graphite" Pre-Formed Rings
20.Extension Sleeve(369)	Gunmetal BSI1400 LG2
21.Socket Head Capscrew	Alloy Steel
22.Bonnet Gasket	Scandura Novus 21
23. Drive Shaft	PBT(black)
24.Washer	Steel
25.Washer	Copper
26.Test Point(613)	Brass

/mm					/kg
G	DN	A	B	C	Approx.W
2	50	230	250	166	15
2 1 /2	65	290	278	166	21
3	80	310	292	166	26
4	100	350	310	166	36.5
5	125	400	349	250	60
6	150	480	385	250	77
8	200	600	449	250	282

NOTE:WHEN FITTED WITH FIG.631 TEST POINTS.MAX .WORKING TEMP IS 135℃F
CROSS SECTIN SHOWING FIG.631 TEST POINT WITH EXTENSION